Home / 75,782.15-104,579.32-43,518.88

Finding the Fourth Proportional to 75,782.15, 104,579.32 and 43,518.88

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Solution

The fourth proportional to 75,782.15, 104,579.32 and 43,518.88 is: 60,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,782.15 : 104,579.32 = 43,518.88 : x
  2. Step 2: Convert to fraction form
    75,782.15/104,579.32 = 43,518.88/x
  3. Step 3: Cross multiply
    75,782.15x = 104,579.32 × 43,518.88
  4. Step 4: Simplify right side
    75,782.15x = 4,551,174,392.83
  5. Step 5: Solve for x
    x = 4,551,174,392.83/75,782.15
  6. Step 6: Final answer
    x = 60,056.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.